(v) When something is so dumbly stupid you raise your index finger to your temple, with your thumb outstretched, and make a "pgweeeeeuuuw" sound.
Derived from
the words 'temple' and 'pistol', this word appears to have first
originated among
software engineers in Cape Town, South Africa.
When he sees this
I'm sure he will tempistol himself.
You must be having a
rough day, you've been tempistoling yourself
all day.
She tempistolled herself. Turned. And walked away.